42658228279 has 4 divisors (see below), whose sum is σ = 42658878600. Its totient is φ = 42657577960.

The previous prime is 42658228259. The next prime is 42658228297. The reversal of 42658228279 is 97282285624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42658228279 - 2²³ = 42649839671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42658228259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214129 + ... + 362170.

It is an arithmetic number, because the mean of its divisors is an integer number (10664719650).

Almost surely, 2^42658228279 is an apocalyptic number.

42658228279 is a deficient number, since it is larger than the sum of its proper divisors (650321).

42658228279 is an equidigital number, since it uses as much as digits as its factorization.

42658228279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650320.

The product of its digits is 7741440, while the sum is 55.

The spelling of 42658228279 in words is "forty-two billion, six hundred fifty-eight million, two hundred twenty-eight thousand, two hundred seventy-nine".